Compile Error in Debian sid (clang 16.0.6)

[holishing]

https://github.com/bbsdocker/imageptt/actions/runs/9700365062/job/26771584227

#19 56.05 In file included from mergedir2.cc:7:
#19 56.05 In file included from ../include/bbs.h:13:
#19 56.05 /usr/include/string.h:506:15: error: exception specification in declaration does not match previous declaration
#19 56.05 extern size_t strlcpy (char *__restrict __dest,
#19 56.05               ^
#19 56.05 ../include/osdep.h:33:8: note: previous declaration is here
#19 56.05 size_t strlcpy(char *dst, const char *src, size_t size);
#19 56.05        ^
#19 56.05 In file included from mergedir2.cc:7:
#19 56.05 In file included from ../include/bbs.h:13:
#19 56.05 /usr/include/string.h:512:15: error: exception specification in declaration does not match previous declaration
#19 56.05 extern size_t strlcat (char *__restrict __dest,
#19 56.05               ^
#19 56.05 ../include/osdep.h:37:8: note: previous declaration is here
#19 56.05 size_t strlcat(char *dst, const char *src, size_t size);
#19 56.05        ^
#19 56.15 2 errors generated.
#19 56.16 *** Error code 1
#19 56.16 
#19 56.16 Stop.
#19 56.16 bmake[1]: stopped in /home/bbs/pttbbs/util
#19 56.16 *** Error code 1